.NET Framework
CVE-2019-1083 — .NET Denial of Service Vulnerability
Executive Summary
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application. The update addresses the vulnerability by correcting how the .NET web application handles web requests.
Overview
7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
EPSS Score
0.07797
probability of exploitation in the next 30 days
0.94034 percentile - updated 2026-07-25
View on FIRST.org
Affected Products
29 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems | 4506991 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems | 4506991 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) 4507419 (Security Update) 4507419 (Security Update) Important Denial of Service 4486553; 4499405; 4503864 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation) | 4506991 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems | 4507458 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems | 4507458 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems | 4507460 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems | 4507460 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems | 4507450 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems | 4507450 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems | 4507455 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems | 4507455 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems | 4507435 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems | 4507435 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5 on Windows Server 2016 | 4507460 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) | 4507460 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation) | 4507435 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) 4507423 (Monthly Rollup) 4507414 (Security Only) Important Denial of Service 4489489; 4499409 4499409; 4503868 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems | 4507458 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems | 4507458 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | 4506986 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | 4506986 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems | 4506987 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems | 4506986 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems | 4506988 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems | 4506986 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems | 4506989 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems | 4506989 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows RT 8.1 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) 4507420 (Monthly Rollup) 4507411 (Security Only) Important Denial of Service 4499406; 4503865 4503865 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows Server 2012 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) 4507421 (Monthly Rollup) 4507412 (Security Only) Important Denial of Service 4499407; 4503866 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows Server 2012 R2 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507422 (Monthly Rollup) 4507413 (Security Only) 4507413 (Security Only) 4507422 (Monthly Rollup) 4507413 (Security Only) Important Denial of Service 4499408; 4503867 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft .NET Framework 4.8 on Windows Server 2016 | 4506986 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | 4506986 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) | 4506989 (Security Update) |
Important | Denial of Service | Maybe |
Patches
10 patches
| Article | Type | Restart |
|---|---|---|
4506991 |
Security Update | Maybe |
4507458 |
Security Update | Yes |
4507460 |
Security Update | Yes |
4507450 |
Security Update | Yes |
4507455 |
Security Update | Yes |
4507435 |
Security Update | Yes |
4506986 |
Security Update | Maybe |
4506987 |
Security Update | Maybe |
4506988 |
Security Update | Maybe |
4506989 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Oleksandr Mirosh ( @olekmirosh
References
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